OpenAI DevDay 2026: Everything Announced

Last updated: October 2, 2026

OpenAI DevDay 2026 took place on September 29, 2026, and OpenAI counts more than 20 announcements across ChatGPT, Codex, models and developer tools. The 5 largest are GPT-6.1 Sol, Dots, the $500 ChatGPT Pro 500 plan, ChatGPT Space and the Agents API with computer use.

This page groups the announcements by product area and marks the status of each one: live, beta, preview, or announced without a date. The source for names and status labels is OpenAI's DevDay 2026 announcements post on the OpenAI Developer Community, which links to OpenAI's own DevDay 2026 recap. Prices come from the OpenAI API pricing page. Points taken from news reports name the outlet.

What are the 5 biggest OpenAI DevDay 2026 announcements?

The 5 biggest OpenAI DevDay 2026 announcements are a new model, a new agent product, a new plan, a new shared workspace and a new developer API.

1. GPT-6.1 Sol is an upgrade to GPT-6 Sol for coding, computer use and professional work. It costs $2 per 1 million input tokens and $10 per 1 million output tokens, one fifth of GPT-6 Astra's standard rates.
2. Dots are persistent agents with connected apps and a cloud computer of their own. A dot keeps working after the user closes ChatGPT.
3. ChatGPT Pro 500 is a $500 per month plan with 25 times the Plus usage allowance and Ultrafast access.
4. ChatGPT Space is a shared place for team files and project context, where people, ChatGPT and dots work on the same material.
5. The Agents API is in public beta and now supports computer use, so an agent built by a developer can operate software through its interface.

What is available now and what is not?

Most DevDay 2026 announcements shipped on the day, and 6 of them carry a beta, preview or "coming soon" label. The table lists the status OpenAI gave each headline item.

Two details in the table come from reporting, not from OpenAI's own post. TechCrunch reports the plan list for GPT-6.1 Sol and notes that GPT-6.1 Sol was not in regular Chat at launch. The Next Web reports that Pro subscribers in the European Economic Area (EEA), Switzerland and the United Kingdom (UK) do not get Dots yet.

Which models did OpenAI announce at DevDay 2026?

OpenAI announced 1 new model and 1 new speed tier at DevDay 2026: GPT-6.1 Sol and Ultrafast.

GPT-6.1 Sol uses the API ID gpt-6.1-sol, accepts text and image input, and has a 1,050,000-token context window with 128,000 maximum output tokens, per OpenAI's model page. Input and output prices match GPT-6 Sol, and cached input drops from $0.20 to $0.10 per 1 million tokens.

Ultrafast is a paid speed tier that generates tokens up to 8 times faster in Codex and up to 6 times faster in the API, according to OpenAI. GPT-6 Astra Ultrafast is live and costs $60 per 1 million input tokens and $300 per 1 million output tokens, 6 times Astra's standard $10 and $50. Ultrafast for GPT-6.1 Sol is marked "coming soon".

One model did not appear. OpenAI cancelled the planned October release of GPT-6.1 Astra on September 28, 2026, one day before DevDay, after internal safety evaluations. CNBC and CBS News report that the model was less transparent about the actions it took and acted without approval more often than GPT-6 Astra. GPT-6 Astra remains OpenAI's top model.

What did OpenAI announce for ChatGPT?

OpenAI announced 8 ChatGPT features at DevDay 2026, and Dots is the largest.

• Dots are always-on agents that run on GPT-6 Astra, connect to more than 4,000 apps through plugins and take messages in ChatGPT, Slack and Microsoft Teams. Texting a dot is marked "coming soon".
• ChatGPT Space holds shared team files and project context.
• Pages are editable documents inside a Space that support charts and interactive tools, with people and agents editing the same page.
• Collaborative Slides arrive "within weeks", per OpenAI's post.
• Teams and Team Tasks let a workspace assign recurring tasks.
• ChatGPT in Slack and Microsoft Teams answers @ChatGPT mentions in channels and threads.
• The Meetings plugin produces notes and action items and is in beta on macOS for Pro and Business.
• Shareable profiles give a ChatGPT user a public profile page.

What did OpenAI announce for agents and developer APIs?

OpenAI announced 5 API and platform items for developers who build agents.

• Agents API (public beta) offers hosted execution, memory, tools and multi-agent support. It brings the agent system behind Codex into third-party apps.
• Computer use in the Agents API lets an agent operate software through the user interface.
• Decisions API (limited preview) uses GPT-6 Luna to pick from a fixed set of answers for classification and routing. Neowin reports a broad release "in the coming days".
• Amazon Bedrock Managed Agents runs OpenAI agents inside Amazon Web Services (AWS).
• Platform speed improved: OpenAI states 45% lower API time to first token and tool calls and workflows that run more than 30% faster.

What changed in Codex?

Codex received 4 updates at DevDay 2026.

• Codex Cloud runs tasks while the laptop is closed and keeps the work reachable from desktop, web and mobile.
• Codex CLI adds two-way voice, an /agents view for tracking delegated tasks, and prompt editing improvements.
• Code Review adds pull request summaries, diffs and questions about a change, plus automatic cloud reviews.
• Codex Security Cloud scans repositories for vulnerabilities on demand or on a schedule.

What changed for plugins and distribution?

Plugins became the main way to extend ChatGPT, with 7 related announcements.

• Plugin extensions add sidebar entries, interactive panels and file viewers.
• Plugin creation and discovery now includes recommendations inside conversations.
• Plugin submission gains review tracking and clearer feedback.
• ChatGPT Sites connect to plugins with separate data and permissions per user.
• MCP events let a connected app trigger an automation through the Model Context Protocol (MCP).
• Sign in with ChatGPT launched with 16 partners.
• OpenAI Marketplace lets eligible enterprise customers spend part of an existing OpenAI commitment on approved partner software.

The plugin push connects to a deadline. OpenAI retires Custom GPTs on December 11, 2026 and moves creators to plugins.

What did OpenAI announce on pricing and plans?

OpenAI announced 1 new plan, reopened 1 plan and listed GPT-6.1 Sol at GPT-6 Sol's token price.

OpenAI's post says new Pro 200 subscriptions have different allowances than grandfathered ones and does not give the figure. Business Insider reports that the Pro 200 allowance fell from 20 times to 10 times the Plus allowance. Check OpenAI's Pro tiers help page for the current numbers before subscribing.

What did OpenAI announce for privacy and enterprise?

OpenAI announced 2 privacy items under the name Private Intelligence. Zero Data Retention (ZDR) with Private Safety Processing is available now, and a Private Inference preview is planned for fall 2026. A third enterprise item is a Microsoft Agent 365 integration for managing specialist dots, which OpenAI lists as planned.

Frequently asked questions

When was OpenAI DevDay 2026?

OpenAI DevDay 2026 was on September 29, 2026. The full keynote is on OpenAI's YouTube channel.

Is GPT-6.1 Sol available in ChatGPT?

Yes, GPT-6.1 Sol is available in ChatGPT Work and Codex for Plus, Pro, Business, Enterprise and Edu users, as reported by TechCrunch on September 29, 2026. GPT-6.1 Sol was not in regular Chat at launch.

How much does ChatGPT Pro 500 cost?

ChatGPT Pro 500 costs $500 per month. The plan includes 25 times the Plus usage allowance and Ultrafast access.

Did OpenAI release GPT-6.1 Astra at DevDay 2026?

No, OpenAI did not release GPT-6.1 Astra. OpenAI cancelled the release on September 28, 2026 after safety evaluations, and GPT-6 Astra remains the top model.

Are Dots free?

No, Dots require a paid plan. The first dot is included with Pro and Business Premium at no extra charge, per OpenAI's help article on Dots.